3.<非正式,贬>(person who is easily tricked)容易受骗的人；傻瓜；笨蛋
But that is what the suckers want so you give it them.但这就是那些笨蛋想要的, 给他们就是了。
Keep giving us your money, sucker!快把钱都给我们, 傻瓜！
4.to be a sucker for sth<非正式>(person who cannot resist something)对…入迷的人；难以抗拒…的人
I'm such a sucker for romance.我对浪漫毫无招架之力。
5.(for attaching by suction)(橡胶)吸盘
6.(person or thing that sucks)乳儿；吮吸者；吮吸物
7.【植】(branch of parasitic plant)(寄生植物的)吸根
8.【动】(unweaned animal)哺乳幼兽；乳犊
9.(tube for drawing fluid by suction)吸管
10.(fish with sucking mouth)亚口鱼科鱼(亚口鱼科鱼的统称, 主要分布于北美洲)
11.(fish with sucking disc)有吸盘的鱼；(尤指)喉盘鱼, 狮子鱼
12.(part of suction pump)(真空泵的)活塞, 活塞阀门